D Glossary : Telephony, VoIP and other terms
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KIRK DECT phones (or cordless phones) can be integrated with a business phone system, allowing users to make, take and transfer calls as they move around the site. With the move to business VoIP solutions, KIRK DECT phones are an essential part of any VoIP solution. DECT products include: |
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| DHCP | Dynamic Host Configuration Protocol (DHCP) is a utility that enables a server to dynamically assign IP addresses from a predefined list and limit their time of use so that they can be reassigned. Without DHCP, an IT Manager would have to manually enter in all the IP addresses of all the computers on the network. When DHCP is used, whenever a computer logs onto the network, it automatically gets an IP address assigned to it. DHCP capable products include: |
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| DISA | Dial-In System Access or Direct Inward System Access (DISA) is a feature which allows individuals to dial in and use a firm’s telephone system from a remote location. It enables an outside party to access the internal stations or outgoing lines of a telephone solution without having to go through an operator or automated attendant. In some cases an optional security code may be set to prevent unauthorised access to outgoing lines for through system calling. For example, a caller might dial an assigned number, input a security code and then use the PBX to place a long distance call or leave a voice mail message. DISA capable products include: |
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| DSP | Digital signal processing (DSP) is concerned with the representation of the signals by a sequence of numbers or symbols and the processing of these signals. A digital signal processor (DSP) is a specialized microprocessor with an optimised architecture for the fast operational needs of digital signal processing. |
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| DSS / BLF | Direct Station Selection (DSS) enables a telephone user to call another station with the touch of a flexible feature button.
Telephone systems which support DSS / BLF include: |
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| DTMF | The sounds used for touch tone dialing are referred to as Dual Tone Multiple Frequencies (DTMF) tones. Each number is represented by a pair of tones. Each key on your phone generates two tones of specific frequencies. One is generated from a high-frequency group of tones and the other from a low frequency group.
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A telephone that uses a digital transmission technology between the handset and the PBX rather than analogue. A digital phone like an analogue phone is hardwired directly back to the telephone system (PBX) and does not connect to the data network (LAN, WAN etc) like an IP phone. |
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Digitally Enhanced Cordless Telephony. DECT is the acronym given to the digital wireless telephony standard used for | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Click on a letter to look up terms in the online glossary
